html, body, #map {
  height: 100%;
  padding: 0;
  margin: 0;
}

#map_tool{
  position: absolute;
  top: 20px;
  left: 50px;
}
.button{
  display: inline-block;
  height: 32px;
  padding: 0 15px;
  background: #10131a;
  color: #fff;
  font-size: 14px;
  line-height: 32px;
  border-radius: 3px;
  margin-left: 10px;
  cursor: pointer;
}

#map_level{
  position: absolute;
  bottom: 20px;
  right: 20px;
  background-color: rgba(75, 117, 169, 0.4);
  height: 25px;
  width: 30px;
  text-align: center;
  padding-top: 5px;
}